\documentclass{article}
\usepackage[x11names, rgb]{xcolor}
\usepackage[utf8]{inputenc}
\usepackage{tikz}
\usetikzlibrary{snakes,arrows,shapes}
\usepackage{amsmath}
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\begin{document}
\pagestyle{empty}
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\enlargethispage{100cm}
% Start of code
% \begin{tikzpicture}[anchor=mid,>=latex',line join=bevel,]
\begin{tikzpicture}[>=latex',line join=bevel,]
  \pgfsetlinewidth{1bp}
%%
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (185bp,18bp) node {$G_p$};
\end{scope}
  \pgfsetcolor{black}
  % Edge: CORR -> SECYR
  \draw [] (200bp,183bp) .. controls (213bp,171bp) and (233bp,153bp)  .. (246bp,141bp);
  % Edge: SECYR -> OFF
  \draw [] (263bp,108bp) .. controls (263bp,97bp) and (263bp,83bp)  .. (263bp,72bp);
  % Edge: CORR -> JANCL
  \draw [] (168bp,183bp) .. controls (155bp,171bp) and (136bp,153bp)  .. (123bp,141bp);
  % Edge: CORR -> LOBBY
  \draw [] (184bp,180bp) .. controls (184bp,169bp) and (184bp,155bp)  .. (184bp,144bp);
  % Edge: LOBBY -> FLAV
  \draw [] (184bp,108bp) .. controls (184bp,97bp) and (184bp,83bp)  .. (184bp,72bp);
  % Edge: CORR -> SHAFT
  \draw [] (162bp,188bp) .. controls (133bp,175bp) and (83bp,151bp)  .. (54bp,137bp);
  % Edge: CORR -> RSLAB
  \draw [] (206bp,188bp) .. controls (230bp,177bp) and (269bp,159bp)  .. (303bp,144bp) .. controls (308bp,142bp) and (313bp,139bp)  .. (318bp,137bp);
  % Node: SHAFT
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (30bp,126bp) ellipse (30bp and 18bp);
  \draw (30bp,126bp) node {$SHAFT$};
\end{scope}
  % Node: SECYR
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (263bp,126bp) ellipse (31bp and 18bp);
  \draw (263bp,126bp) node {SECY/R};
\end{scope}
  % Node: OFF
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (263bp,54bp) ellipse (27bp and 18bp);
  \draw (263bp,54bp) node {$OFF$};
\end{scope}
  % Node: JANCL
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (107bp,126bp) ellipse (29bp and 18bp);
  \draw (107bp,126bp) node {JAN\ CL};
\end{scope}
  % Node: FLAV
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (184bp,54bp) ellipse (27bp and 18bp);
  \draw (184bp,54bp) node {F\ LAV};
\end{scope}
  % Node: CORR
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (184bp,198bp) ellipse (27bp and 18bp);
  \draw (184bp,198bp) node {$CORR$};
\end{scope}
  % Node: LOBBY
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (184bp,126bp) ellipse (30bp and 18bp);
  \draw (184bp,126bp) node {$LOBBY$};
\end{scope}
  % Node: RSLAB
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (341bp,126bp) ellipse (29bp and 18bp);
  \draw (341bp,126bp) node {RS\ LAB};
\end{scope}
%
\end{tikzpicture}
% End of code

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\end{document}
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